FR948610A - Perfectionnements aux tubes à décharge - Google Patents
Perfectionnements aux tubes à déchargeInfo
- Publication number
- FR948610A FR948610A FR948610DA FR948610A FR 948610 A FR948610 A FR 948610A FR 948610D A FR948610D A FR 948610DA FR 948610 A FR948610 A FR 948610A
- Authority
- FR
- France
- Prior art keywords
- discharge tubes
- tubes
- discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
- H01J17/44—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes having one or more control electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0068—Electrode systems electrode assembly with control electrodes, e.g. including a screen
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US430593A US2445678A (en) | 1942-02-12 | 1942-02-12 | Electric discharge device |
US551793A US2445679A (en) | 1942-02-12 | 1944-08-30 | Modulable electric discharge lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
FR948610A true FR948610A (fr) | 1949-08-05 |
Family
ID=27028672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR948610D Expired FR948610A (fr) | 1942-02-12 | 1947-06-27 | Perfectionnements aux tubes à décharge |
Country Status (3)
Country | Link |
---|---|
US (1) | US2445679A (fr) |
FR (1) | FR948610A (fr) |
GB (1) | GB563767A (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805354A (en) * | 1957-09-03 | Modulable lamp construction | ||
US2793313A (en) * | 1953-01-26 | 1957-05-21 | Rca Corp | Method and structure for gas tube modulation |
US2850660A (en) * | 1953-10-29 | 1958-09-02 | Frederick H Rixton | Sub miniature glow lamp |
US2904715A (en) * | 1954-10-29 | 1959-09-15 | Gen Electric | Modulable discharge lamp |
US3242371A (en) * | 1962-03-29 | 1966-03-22 | Hitachi Ltd | Hollow-cathode discharge lamp for emission of atomic resonance lines |
US3662214A (en) * | 1970-04-13 | 1972-05-09 | Sperry Rand Corp | Gas discharge display apparatus utilizing hollow cathode light sources |
US3670201A (en) * | 1970-07-10 | 1972-06-13 | Sperry Rand Corp | Gas discharge display device with perimetrical cathode |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2055753A (en) * | 1926-11-11 | 1936-09-29 | Schnitzeler Peter | Protective arrangement for glow discharge lamps |
US1834072A (en) * | 1928-07-04 | 1931-12-01 | Telefunken Gmbh | Glow lamp |
US1951808A (en) * | 1928-12-05 | 1934-03-20 | Raytheon Mfg Co | Gaseous conduction apparatus |
US1932078A (en) * | 1929-04-27 | 1933-10-24 | Westinghouse Electric & Mfg Co | Television lamp |
US1915934A (en) * | 1929-06-22 | 1933-06-27 | Rca Corp | Glow discharge tube |
US1970223A (en) * | 1929-06-28 | 1934-08-14 | Case Res Lab Inc | Sound recording glow lamp |
US1923051A (en) * | 1929-07-27 | 1933-08-15 | Case Res Lab Inc | Glow lamp |
US1912097A (en) * | 1930-04-15 | 1933-05-30 | Rca Corp | Electric glow discharge tube |
US1834251A (en) * | 1930-09-02 | 1931-12-01 | Gen Electric | Electrical discharge device |
GB373270A (en) * | 1931-02-21 | 1932-05-23 | Marconi Wireless Telegraph Co | Improvements in or relating to electric discharge lamps |
US1951143A (en) * | 1933-07-13 | 1934-03-13 | Gen Electric Vapor Lamp Co | Gaseous electric discharge device |
US2190308A (en) * | 1937-10-27 | 1940-02-13 | Westinghouse Electric & Mfg Co | Crater lamp as a spotlight |
-
1943
- 1943-02-05 GB GB1928/43A patent/GB563767A/en not_active Expired
-
1944
- 1944-08-30 US US551793A patent/US2445679A/en not_active Expired - Lifetime
-
1947
- 1947-06-27 FR FR948610D patent/FR948610A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB563767A (en) | 1944-08-29 |
US2445679A (en) | 1948-07-20 |
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